From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BBF1C4727C for ; Tue, 29 Sep 2020 18:11:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1BFDB2184D for ; Tue, 29 Sep 2020 18:11:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1601403072; bh=z6dyb9w8bdlDCrFjdk1I821QbCywOEM4X4u9UkIExL0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=IfOqP7gFAFJSCKNgtLuPlHlBTxoOcAPBMUZfvYrfSHntXLY3BHar3uc+cz+GMZIYu z8jaeUmQ+rT795Iz6+7DDt8Eig95do90z/qk6nHXeMSYSw24b8Oa0c88dzEeGzIbRM YiGmMk4WFg8RuW+U28zAhrw7iIB+9uHj1HvqIIZM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727863AbgI2SLL (ORCPT ); Tue, 29 Sep 2020 14:11:11 -0400 Received: from mail-ot1-f68.google.com ([209.85.210.68]:36725 "EHLO mail-ot1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727876AbgI2SLL (ORCPT ); Tue, 29 Sep 2020 14:11:11 -0400 Received: by mail-ot1-f68.google.com with SMTP id 60so5359161otw.3; Tue, 29 Sep 2020 11:11:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=kCusAQ6EjVNdN37yHAY4CAb7DwSpW/3N05jRVpI3DYI=; b=DoV3Dmf1178rpRVBR29a6ZgOzd2eVNAOJ7xhE61XBVnt8d4lWHVPY77zfJc42Wo+Fz W+Dxtch9ypE/guFqH9Mesl0rcuuS6CLE6QMsGN/EAsQpg4bd9w/ykNIhQ9TCUqZm22Ig 1eilzWzq/y7hRlg/RUluq8kYLt4lLDRTycUwo2WeDVV1o1jhLD4RF1gx7izqV0T8xFdF eZm80D1KHlOezUYXir0y2OsoNgSKkHvOxJ20JUrRTx9OU2VUN7BRjcGOssUxo+6WwPwr FZL7XQec+TMHFOPQmebYSs45m9FUf4YWN5mHg8xe9nYJ4c0ypEYrI9qcdrAJ6/aTgxbT FhQQ== X-Gm-Message-State: AOAM532NneQ1+ItRdubuVCUV8HLQnCDbPOiWf7AiMZS/qQawffD305O7 nIeQVExr4HeWqs/RJqXlmg== X-Google-Smtp-Source: ABdhPJzHh0fnA9BddFNyZ5+d/5WZrO/355zqYOkldVRRHDNxr3gvKTSTU+7a1SPgpBu8IvQt8ya6TQ== X-Received: by 2002:a9d:7f8c:: with SMTP id t12mr3441485otp.247.1601403070487; Tue, 29 Sep 2020 11:11:10 -0700 (PDT) Received: from xps15 (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id z10sm3055034ooz.14.2020.09.29.11.11.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Sep 2020 11:11:09 -0700 (PDT) Received: (nullmailer pid 887368 invoked by uid 1000); Tue, 29 Sep 2020 18:11:08 -0000 Date: Tue, 29 Sep 2020 13:11:08 -0500 From: Rob Herring To: Li Jun Cc: shawnguo@kernel.org, balbi@kernel.org, mathias.nyman@intel.com, gregkh@linuxfoundation.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, Anson.Huang@nxp.com, aisheng.dong@nxp.com, peng.fan@nxp.com, fugang.duan@nxp.com, qiangqing.zhang@nxp.com, horia.geanta@nxp.com, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v3 1/6] dt-bindings: usb: xhci: add property to disable xhci 64bit support Message-ID: <20200929181108.GA885311@bogus> References: <1600771612-30727-1-git-send-email-jun.li@nxp.com> <1600771612-30727-2-git-send-email-jun.li@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1600771612-30727-2-git-send-email-jun.li@nxp.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Tue, Sep 22, 2020 at 06:46:47PM +0800, Li Jun wrote: > Add a property "xhci-64bit-support-disable" to disable xhci 64bit address > dma, some SoC integration may not support 64bit DMA but the AC64 bit > (bit 0) of HCCPARAMS1 is kept to be 1. Use 'dma-ranges' for this. > Signed-off-by: Li Jun > --- > Documentation/devicetree/bindings/usb/usb-xhci.txt | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt > index 0c5cff8..26446fb 100644 > --- a/Documentation/devicetree/bindings/usb/usb-xhci.txt > +++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt > @@ -28,6 +28,9 @@ Optional properties: > - quirk-broken-port-ped: set if the controller has broken port disable mechanism > - imod-interval-ns: default interrupt moderation interval is 5000ns > - phys : see usb-hcd.yaml in the current directory > + - xhci-64bit-support-disable: set if the AC64 bit (bit 0) of HCCPARAMS1 is > + set to be 1, but the controller actually can't handle 64-bit address > + due to SoC integration. > > additionally the properties from usb-hcd.yaml (in the current directory) are > supported. > -- > 2.7.4 >